// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

// Code generated from the elasticsearch-specification DO NOT EDIT.
// https://github.com/elastic/elasticsearch-specification/tree/cbfcc73d01310bed2a480ec35aaef98138b598e5

package types

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"strconv"
)

// RerouteProcessor type.
//
// https://github.com/elastic/elasticsearch-specification/blob/cbfcc73d01310bed2a480ec35aaef98138b598e5/specification/ingest/_types/Processors.ts#L1393-L1421
type RerouteProcessor struct {
	// Dataset Field references or a static value for the dataset part of the data stream
	// name.
	// In addition to the criteria for index names, cannot contain - and must be no
	// longer than 100 characters.
	// Example values are nginx.access and nginx.error.
	//
	// Supports field references with a mustache-like syntax (denoted as {{double}}
	// or {{{triple}}} curly braces).
	// When resolving field references, the processor replaces invalid characters
	// with _. Uses the <dataset> part
	// of the index name as a fallback if all field references resolve to a null,
	// missing, or non-string value.
	//
	// default {{data_stream.dataset}}
	Dataset []string `json:"dataset,omitempty"`
	// Description Description of the processor.
	// Useful for describing the purpose of the processor or its configuration.
	Description *string `json:"description,omitempty"`
	// Destination A static value for the target. Can’t be set when the dataset or namespace
	// option is set.
	Destination *string `json:"destination,omitempty"`
	// If Conditionally execute the processor.
	If *Script `json:"if,omitempty"`
	// IgnoreFailure Ignore failures for the processor.
	IgnoreFailure *bool `json:"ignore_failure,omitempty"`
	// Namespace Field references or a static value for the namespace part of the data stream
	// name. See the criteria for
	// index names for allowed characters. Must be no longer than 100 characters.
	//
	// Supports field references with a mustache-like syntax (denoted as {{double}}
	// or {{{triple}}} curly braces).
	// When resolving field references, the processor replaces invalid characters
	// with _. Uses the <namespace> part
	// of the index name as a fallback if all field references resolve to a null,
	// missing, or non-string value.
	//
	// default {{data_stream.namespace}}
	Namespace []string `json:"namespace,omitempty"`
	// OnFailure Handle failures for the processor.
	OnFailure []ProcessorContainer `json:"on_failure,omitempty"`
	// Tag Identifier for the processor.
	// Useful for debugging and metrics.
	Tag *string `json:"tag,omitempty"`
}

func (s *RerouteProcessor) UnmarshalJSON(data []byte) error {

	dec := json.NewDecoder(bytes.NewReader(data))

	for {
		t, err := dec.Token()
		if err != nil {
			if errors.Is(err, io.EOF) {
				break
			}
			return err
		}

		switch t {

		case "dataset":
			rawMsg := json.RawMessage{}
			dec.Decode(&rawMsg)
			if !bytes.HasPrefix(rawMsg, []byte("[")) {
				o := new(string)
				if err := json.NewDecoder(bytes.NewReader(rawMsg)).Decode(&o); err != nil {
					return fmt.Errorf("%s | %w", "Dataset", err)
				}

				s.Dataset = append(s.Dataset, *o)
			} else {
				if err := json.NewDecoder(bytes.NewReader(rawMsg)).Decode(&s.Dataset); err != nil {
					return fmt.Errorf("%s | %w", "Dataset", err)
				}
			}

		case "description":
			var tmp json.RawMessage
			if err := dec.Decode(&tmp); err != nil {
				return fmt.Errorf("%s | %w", "Description", err)
			}
			o := string(tmp[:])
			o, err = strconv.Unquote(o)
			if err != nil {
				o = string(tmp[:])
			}
			s.Description = &o

		case "destination":
			var tmp json.RawMessage
			if err := dec.Decode(&tmp); err != nil {
				return fmt.Errorf("%s | %w", "Destination", err)
			}
			o := string(tmp[:])
			o, err = strconv.Unquote(o)
			if err != nil {
				o = string(tmp[:])
			}
			s.Destination = &o

		case "if":
			if err := dec.Decode(&s.If); err != nil {
				return fmt.Errorf("%s | %w", "If", err)
			}

		case "ignore_failure":
			var tmp any
			dec.Decode(&tmp)
			switch v := tmp.(type) {
			case string:
				value, err := strconv.ParseBool(v)
				if err != nil {
					return fmt.Errorf("%s | %w", "IgnoreFailure", err)
				}
				s.IgnoreFailure = &value
			case bool:
				s.IgnoreFailure = &v
			}

		case "namespace":
			rawMsg := json.RawMessage{}
			dec.Decode(&rawMsg)
			if !bytes.HasPrefix(rawMsg, []byte("[")) {
				o := new(string)
				if err := json.NewDecoder(bytes.NewReader(rawMsg)).Decode(&o); err != nil {
					return fmt.Errorf("%s | %w", "Namespace", err)
				}

				s.Namespace = append(s.Namespace, *o)
			} else {
				if err := json.NewDecoder(bytes.NewReader(rawMsg)).Decode(&s.Namespace); err != nil {
					return fmt.Errorf("%s | %w", "Namespace", err)
				}
			}

		case "on_failure":
			if err := dec.Decode(&s.OnFailure); err != nil {
				return fmt.Errorf("%s | %w", "OnFailure", err)
			}

		case "tag":
			var tmp json.RawMessage
			if err := dec.Decode(&tmp); err != nil {
				return fmt.Errorf("%s | %w", "Tag", err)
			}
			o := string(tmp[:])
			o, err = strconv.Unquote(o)
			if err != nil {
				o = string(tmp[:])
			}
			s.Tag = &o

		}
	}
	return nil
}

// NewRerouteProcessor returns a RerouteProcessor.
func NewRerouteProcessor() *RerouteProcessor {
	r := &RerouteProcessor{}

	return r
}

// true

type RerouteProcessorVariant interface {
	RerouteProcessorCaster() *RerouteProcessor
}

func (s *RerouteProcessor) RerouteProcessorCaster() *RerouteProcessor {
	return s
}
